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Finding the Third Proportional to 856,318 and 1,882,130

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Solution

The third proportional to 856,318 and 1,882,130 is: 4,136,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,318 : 1,882,130 = 1,882,130 : x
  2. Step 2: Convert to fraction form
    856,318/1,882,130 = 1,882,130/x
  3. Step 3: Cross multiply
    856,318x = 1,882,130 × 1,882,130
  4. Step 4: Simplify right side
    856,318x = 3,542,413,336,900
  5. Step 5: Solve for x
    x = 3,542,413,336,900/856,318
  6. Step 6: Final answer
    x = 4,136,796.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.